Illapel weather in May

In May, Illapel sees average daytime highs of 18°C and overnight lows near 8°C, with 40 mm of rain across 3.7 wet days and about 10.4 hours of daylight. It is the 8th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 16°C by the end. The sky is clear or mostly clear about 48% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 48 min at the start of May to 10 h 06 min by month's end. Set against the rest of the year, May is Illapel's 11th-clearest and 12th-windiest month. For the whole year in context, see Illapel's year-round climate.

Daytime high
18°
8th warmest
Overnight low
5th coldest
Rainfall
40 mm
3.7 wet days
Daylight
10 h 24 min
8:29 AM – 6:53 PM
Cloud cover
47%
11th clearest
Wind
5 km/h
12th windiest
Solar energy
3.55 kWh/m²
Travel score
6.7
out of 10

Illapel is city in Chile.

Density
3,467/km²
people per km²
Founded
1752

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 19°C in the first days to 16°C by the end.

A typical May day in Illapel reaches about 18°C in the afternoon and slips back to 8°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 21°C. Set against its neighbours, May runs about 3°C cooler than April and about 2°C warmer than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1199
2199
3199
4199
5199
6199
7198
8198
9188
10188
11188
12188
13188
14188
15188
16188
17178
18178
19177
20177
21177
22177
23177
24177
25177
26177
27177
28167
29167
30167
31167

Illapel weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 14°10.313.89.6
Feb24° / 14°10.213.29.6
Mar23° / 13°6112.29.2
Apr20° / 10°132.111.28.1
May18° / 403.710.46.7
Jun15° / 745.2105.4
Jul15° / 485.210.15.2
Aug16° / 505.110.85.7
Sep17° / 223.911.86.6
Oct19° / 142.412.87.7
Nov22° / 11°3113.68.7
Dec23° / 13°20.4149.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27129
37030
47030
56931
66832
76733
86634
96535
106436
116337
126238
136238
146040
156040
165941
175941
185842
195743
205743
215644
225545
235644
245644
255545
265545
275545
285644
295644
305644
315644

Chance of precipitation in May

Any precipitation

Illapel gets around 40 mm of rain over 3.7 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 12% and peaks near 17% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
17
27
37
47
57
67
77
88
98
109
119
1210
1310
1411
1511
1612
1712
1813
1914
2014
2115
2215
2316
2416
2516
2616
2717
2817
2917
3017
3117

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in May

Winds average 5 km/h in May, the calmest month.

Across May, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 48 min at the start of May to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over May. Sunrise moves from 8:19 AM to 8:39 AM, and sunset from 7:05 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.88:197:05
210.78:197:04
310.78:207:03
410.78:217:02
510.78:217:01
610.68:227:01
710.68:237:00
810.68:246:59
910.68:246:58
1010.58:256:57
1110.58:266:56
1210.58:266:56
1310.58:276:55
1410.48:286:54
1510.48:286:53
1610.48:296:53
1710.48:306:52
1810.38:316:51
1910.38:316:51
2010.38:326:50
2110.38:336:50
2210.38:336:49
2310.28:346:49
2410.28:356:48
2510.28:356:48
2610.28:366:47
2710.28:366:47
2810.28:376:46
2910.18:386:46
3010.18:386:46
3110.18:396:45

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.55 kWh/m².

For context, solar energy here swings from a low near 2.91 kWh/m² to a high of 9.1 kWh/m² in December across the year — May's 3.55 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.1Bright
44.1Bright
54.0Bright
64.0Bright
74.0Moderate
83.9Moderate
93.9Moderate
103.8Moderate
113.8Moderate
123.7Moderate
133.7Moderate
143.6Moderate
153.6Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.4Moderate
203.4Moderate
213.3Moderate
223.3Moderate
233.3Moderate
243.2Moderate
253.2Moderate
263.2Moderate
273.1Moderate
283.1Moderate
293.1Moderate
303.1Moderate
313.1Moderate
Planning a trip in May

Is May a good time to visit Illapel?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.7
Sightseeing
8th-best month of the year
2.0
Beach & pool
8th-best month of the year

May is a reasonable time to visit Illapel for sightseeing.

What to pack for Illapel in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Illapel sees daytime highs around 18°C and nights near 8°C. Worth packing: a warm layer. About 4 days see rain.

a warm layer

Sea temperature near Illapel in May

The nearest coast averages about 15°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 43 km away) is warmest in February at about 18°C and coldest in August near 13°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

12°14°16°18°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan17Cool
Feb18Cool
Mar17Cool
Apr16Cool
May15Bracing
Jun14Bracing
Jul13Bracing
Aug13Bracing
Sep13Bracing
Oct14Bracing
Nov15Bracing
Dec16Cool

UV index in Illapel in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Illapel peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateHighVery highExtremeJan 18UV 14Jun 18UV 3
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar11Extreme
Apr6High
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep7Very high
Oct11Extreme
Nov12Extreme
Dec13Extreme
Location & terrain

Where is Illapel?

Illapel sits at 31.6°S, 71.2°W, 312 m above sea level, in Chile. The nearest listed city is Los Vilos, 44 km away.

Topography around Illapel

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Illapel.

Within 3 km, the terrain around Illapel has significant variations in elevation — a maximum elevation change of 501 m around an average of 433 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,467 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,695 m.

The land around Illapel is covered by shrubs (36%) and grassland (33%) within 3 km, shrubs (53%) and grassland (30%) within 16 km, and shrubs (32%), grassland (25%) and bare terrain (24%) within 80 km.

3 km
501 m
16 km
1,467 m
80 km
4,695 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Los Vilos 44 km · Cabildo 89 km · La Ligua 91 km · Ovalle 115 km · Putaendo 118 km · Hacienda La Calera 128 km · La Calera 128 km · San Felipe 131 km

Chile travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / L
220 V · 50 Hz
Prices
≈ 48% of US
price level, 2025
GDP per capita
$17,995
2025
Happiness
6.3 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
6.3
per 100k, 2023
Road deaths
14.9
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 517
Religion
Catholic 57%none 26%Evangelical or Protestant 16%other Christians and traditions related to Christ 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Illapel (-31.6335°, -71.1697°, elevation 312 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).